Water Undergoes Viscous Flow Through Two Pipes with the Same

question 33

Multiple Choice

Water undergoes viscous flow through two pipes with the same pressure difference between the ends. Pipe 1 has three times the diameter and twice the length of pipe 2. If the flow rate through pipe 1 is 0.400 cm³/s, then what is the flow rate through pipe 2?

• A) 6.22 × 10⁻³ cm³/s
• B) 7.78 × 10⁻³ cm³/s
• C) 8.33 × 10⁻³ cm³/s
• D) 9.88 × 10⁻³ cm³/s
• E) 10.80 × 10⁻³ cm³/s

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